ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/cf.schmorp.de/server/lib/cf.pm

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.233 by root, Wed Apr 4 02:20:27 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
20	use Data::Dumper;	23	use Data::Dumper;
21	use Digest::MD5;	24	use Digest::MD5;
22	use Fcntl;	25	use Fcntl;
		26	use YAML::Syck ();
23	use IO::AIO 2.32 ();	27	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
26		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		37
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
33		40
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		42
		43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		44
36	our %COMMAND = ();	45	our %COMMAND = ();
37	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
38		47
39	our @EXTS = (); # list of extension package names	48	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	49	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	50	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	51	our %EXT_MAP = (); # pluggable maps
43		52
		53	our $RELOAD; # number of reloads so far
44	our @EVENT;	54	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
46		56
47	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
48	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	61	our $NEXT_TICK;
50	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
51		67
52	our %CFG;	68	our %CFG;
53		69
54	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	71	our $RUNTIME;
56		72
57	our %PLAYER; # all users	73	our %PLAYER; # all users
58	our %MAP; # all maps	74	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
		77	our $BDB_ENV_DIR = cf::localdir . "/db";
61		78
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		84
65	binmode STDOUT;	85	binmode STDOUT;
66	binmode STDERR;	86	binmode STDERR;
67		87
68	# read virtual server time, if available	88	# read virtual server time, if available
…		…
75	mkdir cf::localdir;	95	mkdir cf::localdir;
76	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
77	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
80		101
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
84		105
85	#############################################################################	106	#############################################################################
86		107
87	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
88		109
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	209	$d
189	} || "[unable to dump $_[0]: '$@']";	210	} || "[unable to dump $_[0]: '$@']";
190	}	211	}
191		212
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		214
194	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
195		216
196	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
197		218
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
206		220
207	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		222
216	=item cf::lock_wait $string	223	=item cf::lock_wait $string
217		224
218	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
219		226
…		…
256	}	263	}
257		264
258	sub freeze_mainloop {	265	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
260		267
261	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
262	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
263	$guard	272	$guard
264	}	273	}
265		274
266	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
337		346
338	$coro	347	$coro
339	}	348	}
340		349
341	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
342	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
343		354
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	356	or return;
346		357
		358	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	363	and return;
350		364
		365	# always fsync - this file is important
351	aio_fsync $fh	366	aio_fsync $fh
352	and return;	367	and return;
353		368
354	close $fh	369	close $fh
355	or return;	370	or return;
…		…
358	and return;	373	and return;
359		374
360	1	375	1
361	}	376	}
362		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
363	=back	389	=back
364		390
365	=cut	391	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		392
523	#############################################################################	393	#############################################################################
524		394
525	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
526		396
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	523	our @CB_MAP = ();
654		524
655	my %attachment;	525	my %attachment;
656		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
657	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
659		535
660	use sort 'stable';	536	use sort 'stable';
661		537
…		…
832	# object support	708	# object support
833		709
834	sub reattach {	710	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		715
838	my $registry = $obj->registry;	716	my $registry = $obj->registry;
839		717
840	@$registry = ();	718	@$registry = ();
841		719
…		…
888	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
889		767
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	772	close $fh;
895		773
896	if (@$objs) {	774	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	780	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
904	}	782	}
905	} else {	783	} else {
906	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
1028	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
1031	. "\n};\n1";	909	. "\n};\n1";
1032		910
1033	eval $source	911	unless (eval $source) {
1034	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
1035	: "extension disabled.\n";	913	: "extension disabled.\n";
		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		915	warn $@;
		916	warn "mandatory extension failed to load, exiting.\n";
		917	exit 1;
		918	}
		919	die $@;
		920	}
1036		921
1037	push @EXTS, $pkg;	922	push @EXTS, $pkg;
1038	}	923	}
1039		924
1040	sub load_extensions {	925	sub load_extensions {
…		…
1046	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1047	}	932	}
1048	}	933	}
1049		934
1050	#############################################################################	935	#############################################################################
1051	# load/save/clean perl data associated with a map
1052
1053	*cf::mapsupport::on_clean = sub {
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		936
1066	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1067		938
1068	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1069		940
…		…
1105		976
1106	sub exists($) {	977	sub exists($) {
1107	my ($login) = @_;	978	my ($login) = @_;
1108		979
1109	$cf::PLAYER{$login}	980	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	981	or cf::sync_job { !aio_stat path $login }
1111	}	982	}
1112		983
1113	sub find($) {	984	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	985	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	986	my $login = $_[0];
…		…
1161		1032
1162	=cut	1033	=cut
1163		1034
1164	sub quit_character {	1035	sub quit_character {
1165	my ($pl) = @_;	1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
1166		1039
1167	$pl->{deny_save} = 1;	1040	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1042
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1048	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1049	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1050	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1051	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
1180	IO::AIO::aio_rmtree $temp;	1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
1181	}	1074	}
1182		1075
1183	=item cf::player::list_logins	1076	=item cf::player::list_logins
1184		1077
1185	Returns am arrayref of all valid playernames in the system, can take a	1078	Returns am arrayref of all valid playernames in the system, can take a
…		…
1205	\@logins	1098	\@logins
1206	}	1099	}
1207		1100
1208	=item $player->maps	1101	=item $player->maps
1209		1102
1210	Returns an arrayref of cf::path's of all maps that are private for this	1103	Returns an arrayref of map paths that are private for this
1211	player. May block.	1104	player. May block.
1212		1105
1213	=cut	1106	=cut
1214		1107
1215	sub maps($) {	1108	sub maps($) {
1216	my ($pl) = @_;	1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1112
1218	my $files = aio_readdir playerdir $pl	1113	my $files = aio_readdir playerdir $pl
1219	or return;	1114	or return;
1220		1115
1221	my @paths;	1116	my @paths;
…		…
1223	for (@$files) {	1118	for (@$files) {
1224	utf8::decode $_;	1119	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1120	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1121	next unless /^$PATH_SEP/o;
1227		1122
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1123	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1124	}
1230		1125
1231	\@paths	1126	\@paths
1232	}	1127	}
1233		1128
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1235		1130
1236	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1237		1132
1238	=cut	1133	=cut
1239		1134
1240	sub ext_reply($$$%) {	1135	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1242		1137
1243	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1244		1139
1245	$self->send ("ext " . cf::to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
		1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
1246	}	1153	}
1247		1154
1248	package cf;	1155	package cf;
1249		1156
1250	=back	1157	=back
…		…
1259	package cf::map;	1166	package cf::map;
1260		1167
1261	use Fcntl;	1168	use Fcntl;
1262	use Coro::AIO;	1169	use Coro::AIO;
1263		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1264	our $MAX_RESET = 3600;	1175	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1176	our $DEFAULT_RESET = 3000;
1266		1177
1267	sub generate_random_map {	1178	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1181	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1193	)
1285	}	1194	}
1286		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
		1323	}
		1324
1287	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1288	# all maps in C++...	1326	# all maps in C++...
1289	sub change_all_map_light {	1327	sub change_all_map_light {
1290	my ($change) = @_;	1328	my ($change) = @_;
1291		1329
1292	$_->change_map_light ($change)	1330	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1331	for grep $_->outdoor, values %cf::MAP;
1294	}	1332	}
1295		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1296	sub load_map_header($) {	1342	sub load_header_from($) {
1297	my ($path) = @_;	1343	my ($self, $path) = @_;
1298		1344
1299	utf8::encode $path;	1345	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1301	or return;	1350	or return;
1302		1351
1303	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1304	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1305		1398
1306	# for better error messages only, will be overwritten later	1399	1
1307	$map->path ($path);
1308
1309	$map->load_header ($path)
1310	or return;
1311
1312	$map->{load_path} = $path;
1313
1314	$map
1315	}	1400	}
1316		1401
1317	sub find;	1402	sub find;
1318	sub find {	1403	sub find {
1319	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1320		1405
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1407
1326	cf::lock_wait "map_find:$key";	1408	cf::lock_wait "map_find:$path";
1327		1409
1328	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1411	my $guard = cf::lock_acquire "map_find:$path";
1330		1412	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1413	or return;
1345		1414
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1415	$map->{last_save} = $cf::RUNTIME;
1358		1416
1359	Coro::cede;	1417	$map->load_header
		1418	or return;
1360		1419
1361	if ($map->should_reset) {	1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1423	$map->reset;
1363	undef $guard;	1424	undef $guard;
1364	$map = find $path	1425	return find $path;
1365	or return;
1366	}	1426	}
1367		1427
1368	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1369	}	1429	}
1370	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1371		1434
1372	sub load {	1435	sub load {
1373	my ($self) = @_;	1436	my ($self) = @_;
1374		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
1375	my $path = $self->{path};	1440	my $path = $self->{path};
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1441	my $guard = cf::lock_acquire "map_load:$path";
1377		1442
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1444
1380	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1381		1446
1382	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1383	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1452	or return;
1385		1453
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1455	if delete $self->{load_original};
1388		1456
1389	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1458	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1460	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1394	}	1462	}
1395	}	1463	}
1396		1464
1397	Coro::cede;	1465	Coro::cede;
1398		1466
1399	# now do the right thing for maps	1467	# now do the right thing for maps
1400	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1401		1469
1402	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1403	$self->{deny_save} = 1;	1471	$self->decay_objects;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1409	$self->set_darkness_map;	1475	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1412	$self->activate;	1479	$self->activate;
1413	}	1480	}
1414		1481
1415	Coro::cede;	1482	$self->post_load;
1416		1483
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
		1485	}
		1486
		1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
1418	}	1494	}
1419		1495
1420	# find and load all maps in the 3x3 area around a map	1496	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1497	sub load_diag {
1422	my ($map) = @_;	1498	my ($map) = @_;
…		…
1452		1528
1453	cf::sync_job { $map->load };	1529	cf::sync_job { $map->load };
1454	}	1530	}
1455		1531
1456	our %MAP_PREFETCH;	1532	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1533	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1534
1472	sub find_async {	1535	sub find_async {
1473	my ($path, $origin) = @_;	1536	my ($path, $origin) = @_;
1474		1537
1475	$path = new cf::path $path, $origin && $origin->path;	1538	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1539
1478	if (my $map = $cf::MAP{$key}) {	1540	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1542	}
1481		1543
1482	$MAP_PREFETCH{$key} = $path;	1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
		1550	$map->load;
		1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
		1556	};
1483	$MAP_PREFETCHER->ready;	1557	$MAP_PREFETCHER->prio (6);
1484		1558
1485	()	1559	()
1486	}	1560	}
1487		1561
1488	sub save {	1562	sub save {
…		…
1492		1566
1493	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1494		1568
1495	return unless $self->dirty;	1569	return unless $self->dirty;
1496		1570
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1571	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1573
1500	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1501		1575
1502	return if $self->{deny_save};	1576	return if $self->{deny_save};
1503		1577
…		…
1506	cf::async {	1580	cf::async {
1507	$_->contr->save for $self->players;	1581	$_->contr->save for $self->players;
1508	};	1582	};
1509		1583
1510	if ($uniq) {	1584	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1587	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1589	}
1516	}	1590	}
1517		1591
1518	sub swap_out {	1592	sub swap_out {
1519	my ($self) = @_;	1593	my ($self) = @_;
…		…
1533		1607
1534	sub reset_at {	1608	sub reset_at {
1535	my ($self) = @_;	1609	my ($self) = @_;
1536		1610
1537	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1539	return 1e99 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1540		1614
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1617
…		…
1548	my ($self) = @_;	1622	my ($self) = @_;
1549		1623
1550	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1551	}	1625	}
1552		1626
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1627	sub reset {
1575	my ($self) = @_;	1628	my ($self) = @_;
1576		1629
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1631
1579	return if $self->players;	1632	return if $self->players;
1580	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1581		1634
1582	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1583		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1584	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1585		1650
1586	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1587		1652
1588	$self->unlink_save;	1653	$self->unlink_save;
1589	$self->destroy;	1654	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1657	my $nuke_counter = "aaaa";
1593		1658
1594	sub nuke {	1659	sub nuke {
1595	my ($self) = @_;	1660	my ($self) = @_;
1596		1661
		1662	delete $cf::MAP{$self->path};
		1663
		1664	$self->unlink_save;
		1665
		1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1668	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1669	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1671
		1672	$cf::MAP{$self->path} = $self;
		1673
1600	$self->reset; # polite request, might not happen	1674	$self->reset; # polite request, might not happen
1601	}	1675	}
1602		1676
1603	sub customise_for {
1604	my ($map, $ob) = @_;
1605
1606	if ($map->per_player) {
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608	}
1609
1610	$map
1611	}
1612
1613	=item cf::map::unique_maps	1677	=item cf::map::unique_maps
1614		1678
1615	Returns an arrayref of cf::path's of all shared maps that have	1679	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	1680	instantiated unique items. May block.
1617		1681
1618	=cut	1682	=cut
1619		1683
1620	sub unique_maps() {	1684	sub unique_maps() {
…		…
1626	for (@$files) {	1690	for (@$files) {
1627	utf8::decode $_;	1691	utf8::decode $_;
1628	next if /\.pst$/;	1692	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;	1693	next unless /^$PATH_SEP/o;
1630		1694
1631	push @paths, new cf::path $_;	1695	push @paths, cf::map::normalise $_;
1632	}	1696	}
1633		1697
1634	\@paths	1698	\@paths
1635	}	1699	}
1636		1700
…		…
1711		1775
1712	=item $player_object->enter_link	1776	=item $player_object->enter_link
1713		1777
1714	Freezes the player and moves him/her to a special map (C<{link}>).	1778	Freezes the player and moves him/her to a special map (C<{link}>).
1715		1779
1716	The player should be reaosnably safe there for short amounts of time. You	1780	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	1781	I<MUST> call C<leave_link> as soon as possible, though.
1718		1782
		1783	Will never block.
		1784
1719	=item $player_object->leave_link ($map, $x, $y)	1785	=item $player_object->leave_link ($map, $x, $y)
1720		1786
1721	Moves the player out of the specila link map onto the given map. If the	1787	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1788	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1789	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1790	fails, to the emergency map position.
1725		1791
1726	Might block.	1792	Might block.
1727		1793
1728	=cut	1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
1729		1805
1730	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1807	my ($self) = @_;
1732		1808
1733	$self->deactivate_recursive;	1809	$self->deactivate_recursive;
1734		1810
1735	return if $self->map == $LINK_MAP;	1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1812
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1814	if $self->map;
1739		1815
1740	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1817	}
1742		1818
1743	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1745		1821
…		…
1767	$map->load;	1843	$map->load;
1768	$map->load_diag;	1844	$map->load_diag;
1769		1845
1770	return unless $self->contr->active;	1846	return unless $self->contr->active;
1771	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1773	}	1851	}
1774		1852
1775	cf::player->attach (	1853	cf::player->attach (
1776	on_logout => sub {	1854	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1867	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1868	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1869	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1870	$pl->ob->enter_link;
1793	(async {	1871	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1872	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1873	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1874	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1878	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1879	$pl->ob->leave_link;
1802	})->prio (2);	1880	})->prio (2);
1803	}	1881	}
1804	},	1882	},
…		…
1809	=cut	1887	=cut
1810		1888
1811	sub cf::object::player::goto {	1889	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1813		1891
1814	$path = new cf::path $path;
1815
1816	$self->enter_link;	1892	$self->enter_link;
1817		1893
1818	(async {	1894	(async {
		1895	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	1896	my $map = cf::map::find $path;
1820	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1821		1898	$map
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	1899	} or
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1826		1901
1827	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1828	})->prio (1);	1903	})->prio (1);
1829	}	1904	}
1830		1905
…		…
1834		1909
1835	sub parse_random_map_params {	1910	sub parse_random_map_params {
1836	my ($spec) = @_;	1911	my ($spec) = @_;
1837		1912
1838	my $rmp = { # defaults	1913	my $rmp = { # defaults
1839	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1841	};	1918	};
1842		1919
1843	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1845		1922
…		…
1849	$rmp	1926	$rmp
1850	}	1927	}
1851		1928
1852	sub prepare_random_map {	1929	sub prepare_random_map {
1853	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		1933
1855	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	1936	# that depends on the exit object
1858		1937
1859	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1860		1939
1861	if ($exit->map) {	1940	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1866	}	1945	}
1867		1946
1868	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1869		1948
1870	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872		1952
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1875		1957
1876	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	1959	$exit->msg (undef);
1878	}	1960	}
1879	}	1961	}
1880		1962
1881	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1883		1965
1884	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	# the problem is that $exit might not survive long enough
		1971	# so it needs to be done right now, right here
		1972	cf::sync_job { prepare_random_map $exit };
		1973	}
		1974
		1975	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1976	my $hp = $exit->stats->hp;
		1977	my $sp = $exit->stats->sp;
1885		1978
1886	$self->enter_link;	1979	$self->enter_link;
1887		1980
1888	(async {	1981	(async {
1889	$self->deactivate_recursive; # just to be sure	1982	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	1983	unless (eval {
1891	prepare_random_map $exit	1984	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		1985
1897	1;	1986	1;
1898	}) {	1987	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	1988	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	1989	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	1990	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	1991	cf::NDI_UNIQUE | cf::NDI_RED);
1903		1992
1904	warn "ERROR in enter_exit: $@";	1993	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	1994	$self->leave_link;
1906	}	1995	}
1907	})->prio (1);	1996	})->prio (1);
…		…
1920		2009
1921	sub cf::client::send_drawinfo {	2010	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2011	my ($self, $text, $flags) = @_;
1923		2012
1924	utf8::encode $text;	2013	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2015	}
1927		2016
		2017	=item $client->ext_event ($type, %msg)
		2018
		2019	Sends an exti event to the client.
		2020
		2021	=cut
		2022
		2023	sub cf::client::ext_event($$%) {
		2024	my ($self, $type, %msg) = @_;
		2025
		2026	$msg{msgtype} = "event_$type";
		2027	$self->send_packet ("ext " . cf::to_json \%msg);
		2028	}
1928		2029
1929	=item $success = $client->query ($flags, "text", \&cb)	2030	=item $success = $client->query ($flags, "text", \&cb)
1930		2031
1931	Queues a query to the client, calling the given callback with	2032	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2033	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1961	# get handled first	2062	# get handled first
1962	my $queue = delete $ns->{query_queue}	2063	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2064	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2065
1965	(shift @$queue)->[1]->($msg);	2066	(shift @$queue)->[1]->($msg);
		2067	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2068
1967	push @{ $ns->{query_queue} }, @$queue;	2069	push @{ $ns->{query_queue} }, @$queue;
1968		2070
1969	if (@{ $ns->{query_queue} } == @$queue) {	2071	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2072	if (@$queue) {
…		…
2028		2130
2029	# here we export the classes and methods available to script code	2131	# here we export the classes and methods available to script code
2030		2132
2031	=pod	2133	=pod
2032		2134
2033	The following fucntions and emthods are available within a safe environment:	2135	The following functions and methods are available within a safe environment:
2034		2136
2035	cf::object contr pay_amount pay_player map	2137	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2138	cf::object::player player
2037	cf::player peaceful	2139	cf::player peaceful
2038	cf::map trigger	2140	cf::map trigger
…		…
2131	The parameter C<$family> should best start with the name of the extension	2233	The parameter C<$family> should best start with the name of the extension
2132	using it, it should be unique.	2234	using it, it should be unique.
2133		2235
2134	=over 4	2236	=over 4
2135		2237
2136	=item $hashref = cf::db_get $family
2137
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key	2238	=item $value = cf::db_get $family => $key
2143		2239
2144	Returns a single value from the database	2240	Returns a single value from the database.
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150		2241
2151	=item cf::db_put $family => $key => $value	2242	=item cf::db_put $family => $key => $value
2152		2243
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you	2244	Stores the given C<$value> in the family.
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163		2245
2164	=cut	2246	=cut
2165		2247
2166	our $DB;	2248	our $DB;
2167		2249
2168	{	2250	sub db_init {
		2251	unless ($DB) {
		2252	$DB = BDB::db_create $DB_ENV;
		2253
		2254	cf::sync_job {
		2255	eval {
		2256	$DB->set_flags (BDB::CHKSUM);
		2257
		2258	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2259	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2260	cf::cleanup "db_open(db): $!" if $!;
		2261	};
		2262	cf::cleanup "db_open(db): $@" if $@;
		2263	};
		2264
2169	my $path = cf::localdir . "/database.pst";	2265	my $path = cf::localdir . "/database.pst";
		2266	if (stat $path) {
		2267	cf::sync_job {
		2268	my $pst = Storable::retrieve $path;
2170		2269
2171	sub db_load() {	2270	cf::db_put (board => data => $pst->{board});
2172	$DB = stat $path ? Storable::retrieve $path : { };	2271	cf::db_put (guildrules => data => $pst->{guildrules});
2173	}	2272	cf::db_put (rent => balance => $pst->{rent}{balance});
		2273	BDB::db_env_txn_checkpoint $DB_ENV;
2174		2274
2175	my $pid;	2275	unlink $path;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}	2276	};
2185	}	2277	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2278	}
		2279	}
2197		2280
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {	2281	sub db_get($$) {
2204	@_ >= 2	2282	my $key = "$_[0]/$_[1]";
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		2283
		2284	cf::sync_job {
		2285	BDB::db_get $DB, undef, $key, my $data;
		2286
		2287	$! ? ()
		2288	: Compress::LZF::sthaw $data
		2289	}
		2290	}
		2291
2209	sub db_put($$;$) {	2292	sub db_put($$$) {
2210	if (@_ >= 3) {	2293	BDB::dbreq_pri 4;
2211	$DB->{$_[0]}{$_[1]} = $_[2];	2294	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2295	}
		2296
		2297	#############################################################################
		2298	# the server's init and main functions
		2299
		2300	sub load_facedata {
		2301	my $path = sprintf "%s/facedata", cf::datadir;
		2302
		2303	warn "loading facedata from $path\n";
		2304
		2305	my $faces;
		2306	0 < aio_load $path, $faces
		2307	or die "$path: $!";
		2308
		2309	Coro::cede;
		2310	$faces = Storable::thaw $faces;
		2311	Coro::cede;
		2312
		2313	my $meta = delete $faces->{""};
		2314	$meta->{version} == 1
		2315	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2316
		2317	while (my ($face, $info) = each %$faces) {
		2318	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2319	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2320	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2321	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2322	Coro::cede;
		2323	}
		2324
		2325	while (my ($face, $info) = each %$faces) {
		2326	next unless $info->{smooth};
		2327	my $idx = cf::face::find $face
		2328	or next;
		2329	if (my $smooth = cf::face::find $info->{smooth}) {
		2330	cf::face::set_smooth $idx, $smooth;
2212	} else {	2331	} else {
2213	$DB->{$_[0]} = $_[1];	2332	warn "smooth face '$info->{smooth}' not found for face '$face'";
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2333	}
2223	);	2334	Coro::cede;
2224	}	2335	}
2225		2336
2226	#############################################################################	2337	1
2227	# the server's main()	2338	}
		2339
		2340	sub reload_resources {
		2341	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2342	or die "unable to load regions file\n";#d#
		2343	load_facedata
		2344	or die "unable to load facedata\n";#d#
		2345	}
		2346
		2347	sub init {
		2348	reload_resources;
		2349	}
2228		2350
2229	sub cfg_load {	2351	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2352	open my $fh, "<:utf8", cf::confdir . "/config"
2231	or return;	2353	or return;
2232		2354
…		…
2249		2371
2250	sub main {	2372	sub main {
2251	# we must not ever block the main coroutine	2373	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2374	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2375	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2376	(async {
2254	async { Event::one_event };	2377	Event::one_event;
		2378	})->prio (Coro::PRIO_MAX);
2255	};	2379	};
2256		2380
2257	cfg_load;	2381	cfg_load;
2258	db_load;	2382	db_init;
2259	load_extensions;	2383	load_extensions;
		2384
		2385	$TICK_WATCHER->start;
2260	Event::loop;	2386	Event::loop;
2261	}	2387	}
2262		2388
2263	#############################################################################	2389	#############################################################################
2264	# initialisation and cleanup	2390	# initialisation and cleanup
2265		2391
2266	# install some emergency cleanup handlers	2392	# install some emergency cleanup handlers
2267	BEGIN {	2393	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2394	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2395	Event->signal (
		2396	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2397	data => WF_AUTOCANCEL,
2271	signal => $signal,	2398	signal => $signal,
		2399	prio => 0,
2272	cb => sub {	2400	cb => sub {
2273	cf::cleanup "SIG$signal";	2401	cf::cleanup "SIG$signal";
2274	},	2402	},
2275	);	2403	);
2276	}	2404	}
2277	}	2405	}
…		…
2282	warn "enter emergency perl save\n";	2410	warn "enter emergency perl save\n";
2283		2411
2284	cf::sync_job {	2412	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2413	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2414	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2415	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2416	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2417	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2418	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2419	$pl->valid or next;
2292	$pl->save;	2420	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2426	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2427	$map->valid or next;
2300	$map->save;	2428	$map->save;
2301	}	2429	}
2302	warn "end emergency map save\n";	2430	warn "end emergency map save\n";
		2431
		2432	warn "begin emergency database checkpoint\n";
		2433	BDB::db_env_txn_checkpoint $DB_ENV;
		2434	warn "end emergency database checkpoint\n";
2303	};	2435	};
2304		2436
2305	warn "leave emergency perl save\n";	2437	warn "leave emergency perl save\n";
		2438	}
		2439
		2440	sub post_cleanup {
		2441	my ($make_core) = @_;
		2442
		2443	warn Carp::longmess "post_cleanup backtrace"
		2444	if $make_core;
2306	}	2445	}
2307		2446
2308	sub reload() {	2447	sub reload() {
2309	# can/must only be called in main	2448	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2449	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2450	warn "can only reload from main coroutine";
2312	return;	2451	return;
2313	}	2452	}
2314		2453
2315	warn "reloading...";	2454	warn "reloading...";
2316		2455
2317	warn "freezing server";	2456	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2457
		2458	cf::sync_job {
		2459	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2460	cf::emergency_save;
		2461	cf::write_runtime; # external watchdog should not bark
2320		2462
2321	warn "sync database to disk";	2463	warn "syncing database to disk";
2322	cf::db_sync;	2464	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2465
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2466	# if anything goes wrong in here, we should simply crash as we already saved
2327		2467
2328	warn "cancel all watchers";	2468	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2469	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2470	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2471	}
2332		2472
		2473	warn "flushing outstanding aio requests";
		2474	for (;;) {
		2475	BDB::flush;
		2476	IO::AIO::flush;
		2477	Coro::cede;
		2478	last unless IO::AIO::nreqs || BDB::nreqs;
		2479	warn "iterate...";
		2480	}
		2481
		2482	++$RELOAD;
		2483
2333	warn "cancel all extension coros";	2484	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2485	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2486	%EXT_CORO = ();
2336		2487
2337	warn "remove commands";	2488	warn "removing commands";
2338	%COMMAND = ();	2489	%COMMAND = ();
2339		2490
2340	warn "remove ext commands";	2491	warn "removing ext commands";
2341	%EXTCMD = ();	2492	%EXTCMD = ();
2342		2493
2343	warn "unload/nuke all extensions";	2494	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2495	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2496	warn "... unloading $pkg";
2346		2497
2347	if (my $cb = $pkg->can ("unload")) {	2498	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2499	eval {
…		…
2353		2504
2354	warn "... nuking $pkg";	2505	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2506	Symbol::delete_package $pkg;
2356	}	2507	}
2357		2508
2358	warn "unload all perl modules loaded from $LIBDIR";	2509	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2510	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2512
2362	warn "removing <$k>";	2513	warn "... unloading $k";
2363	delete $INC{$k};	2514	delete $INC{$k};
2364		2515
2365	$k =~ s/\.pm$//;	2516	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2517	$k =~ s/\//::/g;
2367		2518
…		…
2370	}	2521	}
2371		2522
2372	Symbol::delete_package $k;	2523	Symbol::delete_package $k;
2373	}	2524	}
2374		2525
2375	warn "get rid of safe::, as good as possible";	2526	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2527	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2529
2379	warn "unload cf.pm \"a bit\"";	2530	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2531	delete $INC{"cf.pm"};
2381		2532
2382	# don't, removes xs symbols, too,	2533	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2534	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2535	#Symbol::delete_package __PACKAGE__;
2385		2536
		2537	warn "unload completed, starting to reload now";
		2538
2386	warn "reloading cf.pm";	2539	warn "reloading cf.pm";
2387	require cf;	2540	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2541	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2542
2390	warn "load config and database again";	2543	warn "loading config and database again";
2391	cf::cfg_load;	2544	cf::cfg_load;
2392	cf::db_load;
2393		2545
2394	warn "load extensions";	2546	warn "loading extensions";
2395	cf::load_extensions;	2547	cf::load_extensions;
2396		2548
2397	warn "reattach attachments to objects/players";	2549	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2550	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2551	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2552	reattach $_ for values %MAP;
2401	};	2553	warn "reattaching attachments to players";
		2554	reattach $_ for values %PLAYER;
2402		2555
2403	if ($@) {	2556	warn "loading reloadable resources";
		2557	reload_resources;
		2558
		2559	warn "leaving sync_job";
		2560
		2561	1
		2562	} or do {
2404	warn $@;	2563	warn $@;
2405	warn "error while reloading, exiting.";	2564	warn "error while reloading, exiting.";
2406	exit 1;	2565	exit 1;
2407	}	2566	};
2408		2567
2409	warn "reloaded";	2568	warn "reloaded";
2410	};	2569	};
2411		2570
2412	#############################################################################	2571	our $RELOAD_WATCHER; # used only during reload
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}
2454		2572
2455	register_command "reload" => sub {	2573	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	2574	my ($who, $arg) = @_;
2457		2575
2458	if ($who->flag (FLAG_WIZ)) {	2576	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");	2577	$who->message ("reloading server.");
		2578
		2579	# doing reload synchronously and two reloads happen back-to-back,
		2580	# coro crashes during coro_state_free->destroy here.
		2581
		2582	$RELOAD_WATCHER ||= Event->timer (
		2583	reentrant => 0,
		2584	after => 0,
		2585	data => WF_AUTOCANCEL,
		2586	cb => sub {
2460	reload;	2587	reload;
2461	$who->message ("end of reload.");	2588	undef $RELOAD_WATCHER;
		2589	},
		2590	);
2462	}	2591	}
2463	};	2592	};
2464		2593
2465	unshift @INC, $LIBDIR;	2594	unshift @INC, $LIBDIR;
		2595
		2596	my $bug_warning = 0;
2466		2597
2467	$TICK_WATCHER = Event->timer (	2598	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	2599	reentrant => 0,
		2600	parked => 1,
2469	prio => 0,	2601	prio => 0,
2470	at => $NEXT_TICK || $TICK,	2602	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2472	cb => sub {	2604	cb => sub {
		2605	if ($Coro::current != $Coro::main) {
		2606	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2607	unless ++$bug_warning > 10;
		2608	return;
		2609	}
		2610
2473	$NOW = Event::time;	2611	$NOW = Event::time;
2474		2612
2475	cf::server_tick; # one server iteration	2613	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;	2614	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	2615	$NEXT_TICK += $TICK;
2478		2616
		2617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2618	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2619	Coro::async_pool {
		2620	write_runtime
		2621	or warn "ERROR: unable to write runtime file: $!";
		2622	};
		2623	}
		2624
2479	$WAIT_FOR_TICK->broadcast;	2625	$WAIT_FOR_TICK->broadcast;
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2626	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2627
		2628	# my $AFTER = Event::time;
		2629	# warn $AFTER - $NOW;#d#
2481		2630
2482	# if we are delayed by four ticks or more, skip them all	2631	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2632	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484		2633
2485	$TICK_WATCHER->at ($NEXT_TICK);	2634	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	2635	$TICK_WATCHER->start;
2487	},	2636	},
2488	);	2637	);
2489		2638
		2639	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	2640	BDB::max_poll_time $TICK * 0.1;
2491		2641	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	2642	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	2643	fd => BDB::poll_fileno,
2494	poll => 'r',	2644	poll => 'r',
2495	prio => 5,	2645	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	2646	data => WF_AUTOCANCEL,
2502	after => 0,	2647	cb => \&BDB::poll_cb,
2503	interval => 10,	2648	);
2504	cb => sub {	2649	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	2650
2506	write_runtime	2651	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	2652	my $status;
		2653	my $current = $Coro::current;
		2654	(
		2655	sub {
		2656	$status = $!;
		2657	$current->ready; undef $current;
		2658	},
		2659	sub {
		2660	Coro::schedule while defined $current;
		2661	$! = $status;
		2662	},
		2663	)
		2664	};
		2665
		2666	unless ($DB_ENV) {
		2667	$DB_ENV = BDB::db_env_create;
		2668
		2669	cf::sync_job {
		2670	eval {
		2671	BDB::db_env_open
		2672	$DB_ENV,
		2673	$BDB_ENV_DIR,
		2674	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2675	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2676	0666;
		2677
		2678	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2679
		2680	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2681	$DB_ENV->set_lk_detect;
		2682	};
		2683
		2684	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	2685	};
2509	},	2686	}
2510	);	2687	}
		2688
		2689	{
		2690	IO::AIO::min_parallel 8;
		2691
		2692	undef $Coro::AIO::WATCHER;
		2693	IO::AIO::max_poll_time $TICK * 0.1;
		2694	$AIO_POLL_WATCHER = Event->io (
		2695	reentrant => 0,
		2696	data => WF_AUTOCANCEL,
		2697	fd => IO::AIO::poll_fileno,
		2698	poll => 'r',
		2699	prio => 6,
		2700	cb => \&IO::AIO::poll_cb,
		2701	);
		2702	}
2511		2703
2512	END { cf::emergency_save }	2704	END { cf::emergency_save }
2513		2705
2514	1	2706	1
2515		2707

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines